Solar flares on July 18, 2017
The most powerful solar flare in 24 hours
C2.8 (normal) flare - July 18 at 9:37 PM
Solar activity index
Value as of the end of the day on July 18, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 17, 2017 to July 18, 2017
Time zone — UTC-02:30 (Saint john's) — summer time
List of solar flares for July 18, 2017
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 21:24 | 21:37 | 21:48 | 2665 |
| C1.1 | 19:41 | 20:04 | 20:16 | 2665 |
| C1.7 | 05:50 | 05:59 | 06:04 | 2665 |
| C1.3 | 03:51 | 04:03 | 04:20 | 2665 |
| C1.3 | 03:02 | 03:14 | 03:19 | 2665 |